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- [5] CLASSIFICATION OF SYMMETRY-BREAKING PATTERNS IN HETEROTIC STRINGS ON Z3 ORBIFOLD INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 1990, 5 (08): : 1529 - 1549
- [10] Davenport's constant for groups of the form Z3 ⊕ Z3 ⊕ Z3d ADDITIVE COMBINATORICS, 2007, 43 : 307 - 326